Answer: Bacteria is your answer!
Explanation:
"The nuclear material in the cell or the DNA is contained within a double membrane. Bacteria are the only type of cells that are not eukaryotic, they are prokaryotic so they do not have DNA encased within a membrane."
Because there are millions in our body
Hello TeamFlow, They are all living things, they all need some sort of nutrition, and all plants like fungi, moss, grass etc, have cells. :)